DE68914780T2 - Detektor für eine Elektrizitätsmenge. - Google Patents

Detektor für eine Elektrizitätsmenge.

Info

Publication number
DE68914780T2
DE68914780T2 DE68914780T DE68914780T DE68914780T2 DE 68914780 T2 DE68914780 T2 DE 68914780T2 DE 68914780 T DE68914780 T DE 68914780T DE 68914780 T DE68914780 T DE 68914780T DE 68914780 T2 DE68914780 T2 DE 68914780T2
Authority
DE
Germany
Prior art keywords
electricity detector
electricity
detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE68914780T
Other languages
English (en)
Other versions
DE68914780D1 (de
Inventor
Sunao C O Seigyo Seisak Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE68914780D1 publication Critical patent/DE68914780D1/de
Publication of DE68914780T2 publication Critical patent/DE68914780T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
DE68914780T 1988-10-31 1989-10-31 Detektor für eine Elektrizitätsmenge. Expired - Fee Related DE68914780T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63276807A JPH0737997B2 (ja) 1988-10-31 1988-10-31 電気量検出器

Publications (2)

Publication Number Publication Date
DE68914780D1 DE68914780D1 (de) 1994-05-26
DE68914780T2 true DE68914780T2 (de) 1994-10-06

Family

ID=17574660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914780T Expired - Fee Related DE68914780T2 (de) 1988-10-31 1989-10-31 Detektor für eine Elektrizitätsmenge.

Country Status (6)

Country Link
US (1) US4947109A (de)
EP (1) EP0367563B1 (de)
JP (1) JPH0737997B2 (de)
KR (1) KR920006009B1 (de)
AU (1) AU607356B2 (de)
DE (1) DE68914780T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0737998B2 (ja) * 1988-11-16 1995-04-26 三菱電機株式会社 電気量検出器
JPH04230868A (ja) * 1990-05-08 1992-08-19 Toshiba Corp 交流データ検出装置
CN102707129A (zh) * 2012-04-20 2012-10-03 北京诺德威电力技术开发有限责任公司 电流传感装置
KR101774245B1 (ko) * 2013-02-18 2017-09-19 엘에스산전 주식회사 Ｒｍｓ 검출기 및 이를 적용한 차단기
US20160139182A1 (en) * 2014-11-13 2016-05-19 Robert J. Pond Sine wave analysis method and apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4077061A (en) * 1977-03-25 1978-02-28 Westinghouse Electric Corporation Digital processing and calculating AC electric energy metering system
JPS5851315A (ja) * 1981-09-22 1983-03-26 Kansai Electric Power Co Inc:The 交流電気量のデイジタル処理装置
WO1983003011A1 (en) * 1982-02-25 1983-09-01 Scientific Columbus Inc Multi-function electricity metering transducer
US4689752A (en) * 1983-04-13 1987-08-25 Niagara Mohawk Power Corporation System and apparatus for monitoring and control of a bulk electric power delivery system
JPS60113615A (ja) * 1983-11-24 1985-06-20 株式会社東芝 デイジタル形保護継電装置
JPS60123770A (ja) * 1983-12-08 1985-07-02 Matsushita Electric Ind Co Ltd 交流信号の計測方法
US4689570A (en) * 1984-04-26 1987-08-25 Mitsubishi Denki Kabushiki Kaisha Digital protective relay monitoring system
JPH0828934B2 (ja) * 1984-07-31 1996-03-21 株式会社東芝 保護制御装置
JPH06105266B2 (ja) * 1987-12-28 1994-12-21 三菱電機株式会社 デジタル保護継電器

Also Published As

Publication number Publication date
AU607356B2 (en) 1991-02-28
AU4371489A (en) 1990-05-17
EP0367563A2 (de) 1990-05-09
JPH02123911A (ja) 1990-05-11
KR920006009B1 (ko) 1992-07-25
US4947109A (en) 1990-08-07
EP0367563B1 (de) 1994-04-20
EP0367563A3 (de) 1991-07-03
DE68914780D1 (de) 1994-05-26
JPH0737997B2 (ja) 1995-04-26
KR900006788A (ko) 1990-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee